The main board houses the CM5 and breaks out the most basic functionality needed.
- 2x 100pin Hirose Connectors
- 2x MIPI-DSI/CSI
- 1x Micro-HDMI
- 1x HDMI FPC connector for external break out
- 1x PCIe FPC connector, Pi 5 compatible
- 2x USB-C (One for power/flashing - USB 2.0 and one regular USB 3.0)
- Integrated BMS (BQ25895) with up to 15W output dependent on battery used.
- I2C control for BQ25895
Read more about the mainboard here
- Adds an M.2 M-Key Slot for external SSD Read more about the SSD board here
Huge thanks to Bob from OSHWLab for all the support and sponsoring the PCBA! If you're a teenager interested in tech, checkout HackClub, huge thanks to them for covering remaining tools/materials costs.
| Part | Quantity | Price |
|---|---|---|
| Mainboard PCBA | 5 | $0.00 Paid Myself |
| SSD PCBA | 3 | $0.00 Paid myself |
| Shipping + Taxes | 1 | $57.80 |
| 3.7V 3000mAh LiPo | 1 | $25.00 |
| Raspberry Pi CM5 | $120.00 |
Note: Got sponsorship for PCB so price reduced to $61 from $350. 16GB CM5 needed due to the astro-stacking software and various other things that will be run in parallel.